Networking - Wide Area Networks
Networking - Wide Area Networks
11. Which of the following describes the creation of private networks across the Internet, enabling privacy and tunneling of non-TCP/IP protocols?
- HDLC
- Cable
- VPN
- IPSec
12. Which of the following describes an industry-wide standard suite of protocols and algorithms that allows for secure data transmission over an IP-based network that functions at the layer 3 Network layer of the OSI model?
- HDLC
- Cable
- VPN
- IPSec
13. Which of the following uses ATM as the Data Link layer protocol that's terminated at what's known as the DSLAM?
- DSL
- PPPoE
- Frame Relay
- Dedicated T1
14. When a router is connected to a Frame Relay WAN link using a serial DTE interface, how is the clock rate determined?
- Supplied by the CSU/DSU
- By the far end router
- By the clock rate command
- By the Physical layer bit stream timing
15. Which command is required for connectivity in a Frame Relay network if Inverse ARP is not operational?
- frame-relay arp
- frame-relay map
- frame-relay interface-dci
- frame-relay lmi-type
16. How should a router that is being used in a Frame Relay network be configured to keep split horizon issues from preventing routing updates?
- Configure a separate subinterface for each PVC with a unique DLCI and subnet assigned to the subinterface.
- Configure each Frame Relay circuit as a point-to-point line to support multicast and broadcast traffic.
- Configure many subinterfaces in the same subnet.
- Configure a single subinterface to establish multiple PVC connections to multiple remote router interfaces.
17. Which of the following encapsulates PPP frames in Ethernet frames and uses common PPP features like authentication, encryption, and compression?
- PPP
- PPPoA
- PPPoE
- Token Ring